[nickjj]

I've been freelancing for ~20 years.

I have a Google Drive template that I use.

Then for clients I copy last month's invoice for the new month, add in whatever info I need to (usually very little) and save it as a PDF to email them.

Once a month I create and send these invoices to a handful of clients.

I also wrote https://github.com/nickjj/invoice to automatically tally up how much I should bill each client.

All in all I spend about ~10 minutes a month creating invoices.